MESON Chess Problem Database

Problem Display
PID: 158214 (8/2K5/8/p7/1pk1N3/8/6p1/1Q4B1 w - - 0 1)

Andrews, JT

British Chess Magazine 13. Ty., 1906-1907

8/2K5/8/p7/1pk1N3/8/6p1/1Q4B1

#2

4 + 4

5454 Near Snap 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6+?
      • 1...Kd5
        • 2.Qe4#
        • 2.Qf5#
      • 1...Kc3!
    • 1.Qc2+?
      • 1...Kb5
        • 2.Qc6#
      • 1...Kd5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qd3#
      • 1...Kc3
        • 2.Qc1#
      • 1...Kb5
        • 2.Qd3#
      • 1...Kd5
        • 2.Qe4#
      • 1...b3
        • 2.Qxb3#

Anticipated by 151267(1896)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(c);P-FLIGHT::QAR2(A)
      • K(c);P_SPINP(b),S_FLIGHT::QAB(A)
      • K(c);S_FLIGHT::QAB1(A)
      • P(b);::QAB1(A),XP(b)
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